Ralfe's test
[医] 腊耳夫氏试验(检尿丙酮,检尿胨)
🧩 词语组成解析
🗣️ 情景例句
That's what it is.
的确是如此。
The radio is out of order.
这收音机坏了。
Autumn is a busy season. The days get shorter and the nights get longer.
秋天是繁忙的季节。白天逐渐变短，夜晚则渐渐变长。